.light-line-left {
    width: 3px;
    height: 0;
    background-color: #2196F3;
    margin: auto 0;
}

.light-line-bottom-div {
    position: absolute;
    height: 3px;
    width: 100%;
    bottom: 0;
}

.light-line-bottom {
    width: 0;
    height: 100%;
    background-color: #2196F3;
    margin: 0 auto;
}

.main-body {
    height: 100%;
    display: flex;
}

.navigate {
    display: inline-block;
    height: 100vh;
    width: 10rem;
    border-right: 1px solid #e8e8e8;
}

.navigate-user {
    text-align: center;
    border-bottom: 1px solid #e8e8e8;
    padding: 2rem 0;
}

.navigate-user-header {
    height: 4rem;
    width: 4rem;
    border-radius: 2rem;
    box-shadow: 0 0 10px #e8e8e8;
}

.navigate-user-name {
    margin-top: 0.5rem;
    padding: 10px;
}

.navigate-menus {
    padding: 1rem 0;
}

.navigate-menus-item {
    height: 3rem;
}

.navigate-menus-item:hover {
    background-color: #ebebeb;
    cursor: pointer;
}

.navigate-menus-item:hover .navigate-menus-item-children {
    display: block;
}

.menu-item {
    display: flex;
    height: 3rem;
    position: inherit;
}

.menu-item:hover .light-line-left {
    height: 100%;
    animation: height-0-to-100 .2s;
    -webkit-animation: height-0-to-100 .2s;
}

.menu-item:hover .light-line-bottom {
    width: 100%;
    animation: width-0-to-100 .2s;
    -webkit-animation: width-0-to-100 .2s;
}

.navigate-menus-item-children {
    position: relative;
    left: 10rem;
    top: -3rem;
    display: none;
    width: 10rem;
    border-left: 0;
    z-index: 1;
    background-color: #ebebeb;
}

.content {
    width: calc(100% - 10rem);
    height: 100%;
    border: 0;
    position: fixed;
    left: calc(10rem + 1px);
}

.content-top {
    width: 100%;
    height: 2rem;
    line-height: 2rem;
}

.content-top-nav {
    display: flex;
    padding: 0;
    list-style: none;
    height: 100%;
    margin: 0;
}

.content-top-nav-item {
    flex: 1 1 auto;
    text-align: center;
    border-left: 1px solid #e8e8e8;
    border-bottom: 1px solid #e8e8e8;
    border-top: 0;
    cursor: pointer;
    color: #ebebeb;
}

.content-top-nav-item:first-child{
    border-left: 0;
}

.content-top-nav-item:hover {
    color: #252525;
}

.content-top-nav-item.active {
    border-bottom: 0;
    color: #252525;
}

.content-top-nav-item .close {
    float: left;
    line-height: 2rem;
    margin-left: .5rem;
}

.content-body {
    width: 100%;
    height: calc(100% - 2rem);
    border: 0;
    display: none;
}

.content-body.active {
    display: block;
}